CN211643317U - Refrigerated container door frame and refrigerated container comprising same - Google Patents
Refrigerated container door frame and refrigerated container comprising same Download PDFInfo
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- CN211643317U CN211643317U CN201922210408.2U CN201922210408U CN211643317U CN 211643317 U CN211643317 U CN 211643317U CN 201922210408 U CN201922210408 U CN 201922210408U CN 211643317 U CN211643317 U CN 211643317U
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Abstract
The utility model discloses a refrigerated container door frame and contain its refrigerated container. The door frame of the refrigerated container comprises an outer door plate, a door lining, a door frame body, an inner door seal and an outer door seal, wherein two ends of the door frame body are respectively connected with the outer door plate and the door lining to form a closed cavity; the door frame body is provided with at least two concave cavities on one side surface opposite to the closed cavity, the inner door seal and the outer door seal respectively extend into the two concave cavities to be matched with the concave cavities, a plurality of bosses are arranged at the bottoms of the concave cavities facing the inner door seal and the outer door seal, and the bottoms of the inner door seal and the outer door seal facing the bottoms of the concave cavities are of arc structures or linear structures; the inner door seal and the outer door seal extend into the two concave cavities respectively, and sealing is achieved through extrusion matching of the bottom of the inner door seal, the bottom of the outer door seal and the boss at the bottom of the concave cavity. The utility model discloses two chambeies of door frame and corresponding inside and outside door seal design, guarantee the gas tightness of its contact.
Description
Technical Field
The utility model belongs to the technical field of the container, in particular to refrigerated container door frame and contain its refrigerated container.
Background
Refrigerated containers are becoming more and more widely used, and the door panels, as part of the container, must be sufficiently airtight to ensure that the goods in the container do not deteriorate during transport. Referring to fig. 1, when the door frame and the door seal of the conventional container door have a gap or loose contact at the matching position (11, 21), the air tightness is not good.
Therefore, the design of the refrigerated container door frame with good air tightness has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a door frame of refrigerated container designs door frame two chambeies and corresponding inside and outside door seal, guarantees the gas tightness of its contact.
The technical scheme of the utility model as follows:
a refrigerated container door frame comprises an outer door plate, a door lining, a door frame body, an inner door seal and an outer door seal, wherein two ends of the door frame body are respectively connected with the outer door plate and the door lining to form a closed cavity;
the door frame body is provided with at least two concave cavities on one side surface opposite to the closed cavity, the inner door seal and the outer door seal respectively extend into the two concave cavities to be matched with the concave cavities, a plurality of bosses are arranged at the bottoms of the concave cavities facing the inner door seal and the outer door seal, and the bottoms of the inner door seal and the outer door seal facing the bottoms of the concave cavities are of arc structures or linear structures;
the inner door seal and the outer door seal extend into the two concave cavities respectively, and sealing is achieved through extrusion matching of the bottom of the inner door seal, the bottom of the outer door seal and the boss at the bottom of the concave cavity.
Preferably, the boss arranged at the bottom of the concave cavity is an A-shaped boss.
Preferably, when the bottom of the inner door seal and the bottom of the outer door seal facing the bottom of the cavity are of an arc structure, the arc degree of the arc structure is greater than or equal to 150 °.
Preferably, the cross section of the concave cavity is C-shaped, the two side faces of the inner door seal and the outer door seal are respectively provided with a limiting part, and the inner door seal and the outer door seal are clamped in the concave cavity through the limiting parts.
Preferably, the door frame body is an integrated nonmetal door frame body.
Preferably, the two ends of the door frame body are respectively connected with the outer door panel and the door lining in a clamping manner.
Preferably, the outer door panel is provided with an outer door panel bending part at the joint of the outer door panel and the door frame body, and the outer door panel bending part is of a right-angle structure.
Preferably, an elastic arm is arranged at a position, close to the joint of the door frame body and the outer door panel, the elastic arm and the door frame body form an opening facing the outer door panel, and the bent part of the outer door panel extends into the opening and is clamped and fixed by the elastic arm and the door frame body.
Preferably, the free end of the joint of the elastic arm and the outer door panel is provided with an elastic arm bending part, and the elastic arm bending part is of a right-angle structure.
Preferably, the outer door panel bending part and the elastic arm bending part are provided with a rounding angle at the right angle of contact, and the rounding angle is arranged to be a gluing position.
Preferably, after the two ends of the door frame body are respectively connected with the outer door plate and the door lining to form a closed cavity, the closed cavity is subjected to foaming treatment to form a foaming layer tightly attached to the outer door plate, the door lining and the door frame body.
The utility model also provides a refrigerated container, it includes as above arbitrary the refrigerated container door frame.
Compared with the prior art, the beneficial effects of the utility model are as follows:
firstly, the door frame body of the utility model is in extrusion fit with the inner door seal and the outer door seal through the lug boss and the arc structures or the linear structures at the bottom of the inner door seal and the bottom of the outer door seal, so that the inner door seal and the outer door seal are tightly attached to each other during extrusion contact, the air tightness is ensured, and meanwhile, the operation is simple due to the arc structures at the bottom of the inner door seal and the bottom of the outer door seal;
the inner door seal and the outer door seal of the utility model are clamped in the concave cavity through the limiting part, the door seal is simple to install, the construction of workers is convenient, and the labor cost is saved;
third, the door frame body of the utility model is a non-metallic door frame, if a material with a larger potential difference with the door panel material is adopted as the door frame, electrochemical corrosion is easy to occur in a humid environment, the non-metallic material is adopted to avoid the situation that the door frame is easy to generate electrochemical corrosion, and meanwhile, compared with the door frame consisting of a metal door frame and a non-metallic door frame, the integrated door frame is convenient for workers to construct, and labor cost is saved;
the door frame body of the utility model is connected with the outer door plate and the door lining in a clamping way, and adopts a non-rivet structure, so that compared with the existing rivet structure, the door frame is easy to damage, water is easy to enter, and construction is inconvenient;
fifth, the elastic arms of the outer door panel and the door frame are provided with right-angle structures, and the fillets at the contact positions of the outer door panel and the door frame are arranged as gluing positions, so that hidden gluing is realized, and the possibility that moisture enters a foam body due to the aging of gluing caused by leakage-type gluing is avoided;
the utility model adopts integral foaming, the strength of the door plate after foaming is higher than that of the traditional door plate, the heat preservation effect of the door plate is also increased, and the damage of the door plate structure caused by water inflow can be prevented; meanwhile, the working environment is greatly improved and the potential safety hazard is reduced by adopting the integral foaming technology.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
FIG. 1 is a schematic view of a prior art door frame structure of a container;
fig. 2 is a schematic structural view of a door frame of a refrigerated container in embodiment 1 of the present invention;
fig. 3 is a schematic view of an arc-shaped structure of the bottom of the outer door seal according to embodiment 2 of the present invention;
fig. 4 is a schematic view of a connection structure of the cavity, the inner door seal and the outer door seal according to embodiment 2 of the present invention;
fig. 5 is a schematic view of another connection structure of the cavity, the inner door seal and the outer door seal according to embodiment 2 of the present invention;
fig. 6 is a schematic view of another connection structure of the cavity, the inner door seal and the outer door seal according to embodiment 2 of the present invention;
fig. 7 is a schematic view of another connection structure of the cavity, the inner door seal and the outer door seal according to embodiment 2 of the present invention;
FIG. 8 is a schematic diagram of the disassembled structure of FIG. 4;
FIG. 9 is a partially enlarged view of the connection between the outer door panel and the door frame body in FIG. 2;
the labels in the figure are: 11, 21-the matching part of the door seal groove and the door seal of the door frame of the existing container; 1-outer door sealing; 2-inner door sealing; 201-a limiting part; 3-a door frame body; 301-first card position; 302; a second card is clamped; 303-a resilient arm; 304-a resilient arm flexure; 4-outer door panel; 401-bending part of the outer door panel; 5-door lining; 6-boss; 7-gluing position; 8-sealing the cavity; 9-a cavity; 901-outer door sealing cavity; 902-inner door seal cavity; 903-the blocking portion.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of illustrating the present design and are not to be construed as limiting the present design.
In the description of the present invention, it is to be noted that the terms "mounted" and "connected" are to be understood broadly, and may be, for example, a fixed connection, unless otherwise explicitly specified or limited. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this design can be understood as appropriate by one of ordinary skill in the art.
Example 1
A door frame of a refrigerated container is shown in figure 2 and comprises an outer door plate 4, a door liner 5, a door frame body 3, an inner door seal 2 and an outer door seal 1, wherein two ends of the door frame body 3 are respectively connected with the outer door plate 4 and the door liner 5 to form a closed cavity 8;
at least two concave cavities 9 are arranged on one side surface of the door frame body 3 opposite to the closed cavity 8, the inner door seal 2 and the outer door seal 1 respectively extend into the two concave cavities 9 to be matched with the concave cavities 9, a plurality of bosses 6 are arranged at the bottoms of the concave cavities facing the inner door seal 2 and the outer door seal 1, and the bottoms of the inner door seal and the outer door seal facing the bottoms of the concave cavities are of arc structures or linear structures;
the inner door seal 2 and the outer door seal 1 extend into the two cavities 9 respectively, and sealing is achieved through extrusion matching of the bottom of the inner door seal, the bottom of the outer door seal and the boss 6 at the bottom of the cavity.
The utility model discloses a door frame body 3 seals 2 with interior door, outer door seals 1 and seals the arc structure or the linear structure extrusion fit of bottom through boss 6 and interior door, outer door bottom of a jacket portion, guarantees during extrusion contact that both closely paste tightly, guarantees the gas tightness, and the arc structure or the linear structure of bottom, outer door bottom of a jacket portion make sealed easy operation simultaneously, do not need additionally to increase the adhesive tape sealed, just also can not have the problem that the adhesive tape easily deviate from.
Example 2
This example is a further improvement over example 1.
Furthermore, the boss arranged at the bottom of the concave cavity is an A-shaped boss, the width of the upper part of the A-shaped boss is smaller than that of the lower part of the A-shaped boss, and the A-shaped boss has the following effects when in contact: the contact area of the upper part of the boss is small, so that the door seal is easy to deform, and the deformation contact area of the boss is gradually increased along with the gradual increase of the width of the boss, so that the boss is in closer contact with the bottom of the door seal; and/or, the width on boss upper portion is less, and the boss takes place deformation easily, and along with the further compressing tightly of door seal, the boss width crescent for the boss is compressed tightly by the door seal and the reaction force that produces also crescent, thereby ensures the in close contact with of boss and door seal bottom. In addition, the A-shaped boss is arranged, so that the demolding or the production and the manufacturing are more convenient. In a specific implementation manner, the A-shaped boss can be in a triangular shape, a trapezoidal shape, a semicircular shape and other various implementation manners.
Furthermore, in other embodiments, referring to fig. 4 to 7, the bosses 6 may be provided in plurality, such as two, three, or more; the shape of the plurality of bosses in a single cavity or the plurality of bosses in two cavities may be different or the same.
Referring to fig. 2, in an embodiment, two cavities 901 and 902 are formed in a side surface of the door frame body 3 opposite to the closed cavity 8, an inner door seal cavity 902 is formed in a side close to the door liner 5 and matched with the inner door seal 2, an outer door seal cavity 901 is formed in a side close to the outer door seal 1 and matched with the outer door seal 1, a-shaped boss 6 is respectively formed at the bottom of the inner door seal cavity and the bottom of the outer door seal cavity, and the bottom of the inner door seal and the bottom of the outer door seal facing the bottom of the cavity are of an arc structure.
Regarding the curved structure, taking the exterior dock seal 1 as an example, referring to fig. 3, the bottom of the exterior dock seal facing the bottom of the cavity has a curvature exceeding 150 °, preferably a curvature of 150 ° to 180 °. The setting of radian, because the protrusion of radian, in the farthest department of arc structure, its and boss contact extruded power is the biggest, can further ensure outer door seal bottom with the boss in close contact with extrusion that the cavity bottom set up, and then ensure the gas tightness of contact department.
Of course, as shown in fig. 6-7, the bottom of the inner door seal and the bottom of the outer door seal facing the bottom of the cavity can be arranged in a linear structure as required.
The following is a further description with reference to specific application examples.
In an application example, referring to fig. 4, 3 identical a-shaped bosses 6 are uniformly arranged at the bottoms of an inner door sealing cavity 902 and an outer door sealing cavity 901, the a-shaped bosses 6 are close to a semi-circle shape and face towards the arc-shaped structures at the bottoms of the inner door sealing part and the outer door sealing part at the bottom of the cavity, and the arc-shaped structures are in extrusion contact with the bosses, so that the arc-shaped structures and/or the bosses are deformed, the deformation positions are as marked by a1 in the figure, the three bosses 6 in the same cavity are deformed at the contact positions with the arc-shaped structures, the deformation at the middle position is the largest, the deformation at the two sides is slightly smaller, and the extrusion deformation makes the bosses 6 closely contact with the arc-shaped.
In an application example, referring to fig. 5, 3 a-shaped bosses 6 are uniformly arranged at the bottoms of an inner door sealing cavity 902 and an outer door sealing cavity 901, the a-shaped bosses 6 are close to a triangle and face towards the arc structures at the bottoms of the inner door sealing part and the outer door sealing part at the bottom of the cavity, and the arc structures are in extrusion contact with the bosses, so that the arc structures and/or the bosses are deformed, the deformation positions are as marked by a2 in the graph, the three bosses 6 in the same cavity are deformed at the contact positions with the arc structures, wherein the deformation at the middle position is the largest, the deformation at the two sides is slightly smaller, and the extrusion deformation makes the bosses 6 closely contact with the arc structures, thereby ensuring the sealing effect.
In an application example, referring to fig. 6, 3 a-shaped bosses 6 are uniformly arranged at the bottoms of an inner door sealing cavity 902 and an outer door sealing cavity 901, the a-shaped bosses 6 are close to a semi-circle shape, the inner door sealing bottom and the outer door sealing bottom facing the bottom of the cavity are linear structures, the linear structures are in extrusion contact with the bosses, so that the arc structures and/or the bosses are deformed, the deformation positions are as marked by a3 in the drawing, the three bosses 6 in the same cavity are deformed in contact with the arc structures, the three deformation positions in contact are the same, and the extrusion deformation makes the bosses 6 closely contact with the arc structures, thereby ensuring the sealing effect.
In an application example, referring to fig. 7, 3 a-shaped bosses 6 are uniformly arranged at the bottoms of an inner door sealing cavity 902 and an outer door sealing cavity 901, the a-shaped bosses 6 are close to a triangle and face towards the inner door sealing bottom and the outer door sealing bottom of the cavity bottom are of linear structures, the linear structures are in extrusion contact with the bosses, so that the arc structures and/or the bosses are deformed, the deformation positions are as marked by a4 in the figure, the three bosses 6 in the same cavity are deformed in contact with the arc structures, the three deformation positions in contact are the same, and the extrusion deformation makes the bosses 6 closely contact with the arc structures, thereby ensuring the sealing effect.
Through setting up A style of calligraphy boss 6 make, A style of calligraphy boss 6 can be inseparabler with interior door back cover portion, outer door back cover bottom contact, and then sealed effect is better.
Example 3
This embodiment is further improved on the basis of any of the above-described embodiments.
The cross section of the concave cavity is C-shaped, the two side faces of the inner door seal 2 and the outer door seal 1 are respectively provided with a limiting part, and the inner door seal and the outer door seal are clamped in the concave cavity through the limiting parts.
Specifically, taking the door frame of the refrigerated container in fig. 4 as an example, the disassembly schematic diagram of the door frame is shown in fig. 8, the cross sections of the cavities 901 and 902 are C-shaped, blocking portions 903 are formed on two sides of the C-shaped opening, correspondingly, the two side surfaces of the inner door seal 2 and the outer door seal 1 are both provided with limiting portions 201, when the inner door seal 2 extends into the cavity 902 of the inner door seal, and the outer door seal 1 extends into the cavity 901 of the outer door seal, the limiting portions 201 are matched with the blocking portions 903, so as to clamp the inner door seal and the outer door seal in the cavities.
This embodiment interior door seals 2, outer door seals 1 pass through spacing portion 201 joint is in the cavity for door seals 1, 2 installation are simple, make things convenient for workman's construction, save the cost of labor.
Example 4
This embodiment is further improved on the basis of any of the above-described embodiments.
The door frame body of this embodiment is the non-metallic material door frame, if adopt and have the material of great potential difference with the door plant material as the door frame, takes place electrochemical corrosion easily in humid environment, adopts non-metallic material to avoid the emergence of the easy electrochemical corrosion condition that takes place of door frame, simultaneously, compares in the door frame of constituteing by metal door plant + non-metallic door frame, and the convenient workman of integral type door frame is under construction, saves the cost of labor.
Example 5
This embodiment is further improved on the basis of any of the above-described embodiments.
The two ends of the door frame body 3 are respectively connected with the outer door plate 4 and the door lining 5 in a clamping mode.
Specifically, with reference to fig. 8 and fig. 2, a first clamping position 301 is provided at a position of the door frame body 3 close to the door lining 5, a tip of the door lining 5 extends into the first clamping position 301 to be clamped with the door frame body 3, a second clamping position 302 is provided at a position of the door frame body 3 close to the outer door panel 4, and a tip of the outer door panel 4 extends into the second clamping position 302 to be clamped with the door frame body 3.
The door frame body 3 of this embodiment with outer door plant 4, 5 joints of door inside lining are connected, adopt not have and rivet the structure, compare in current rivet structure fragile, intake easily, the construction is inconvenient, and the mode of joint is all used to inside and outside door plant, has reduced into water and the possibility of damage, the construction of being convenient for.
Further, referring to fig. 9, regarding the structure of the connection portion between the outer door panel 4 and the door frame body 3, fig. 9 is a partially enlarged view of the connection portion between the outer door panel 4 and the door frame body 3 in fig. 2.
The outer door panel 4 is provided with an outer door panel bending part 401 at the joint with the door frame body 3, and the outer door panel bending part 401 is of a right-angle structure.
The door frame body 3 is provided with an elastic arm 303 near the joint with the outer door panel 4, the elastic arm 303 and the door frame body 3 form an opening facing the outer door panel, namely, a second clamping position 302, and the outer door panel bending part 401 extends into the opening and is clamped and fixed by the elastic arm 303 and the door frame body 3. Furthermore, a plurality of protrusions can be arranged on the inner side surface of the elastic arm contacting with the outer door panel bending part 401, and the outer door panel 4 is further clamped and fixed.
Furthermore, the free end of the joint of the elastic arm 303 and the outer door panel 4 is provided with an elastic arm bending portion 304, and the elastic arm bending portion 304 is of a right-angle structure.
Further, the outer door panel bending part 401 and the elastic arm bending part 304 are provided with a rounded corner at a right angle of contact, and the rounded corner is set to be a gluing position 7.
This embodiment sets up the right angle structure through the elastic arm 303 of outer door plant 4, door frame to establish both contact department fillets into beating to glue position 7, realized hidden beating and glued, avoided beating because of the formula of leaking outward and glue, seal the ageing possibility that leads to moisture to invade the bubble body of gluing.
Example 6
This embodiment is further improved on the basis of any of the above-described embodiments.
And after the two ends of the door frame body 3 are respectively connected with the outer door plate 4 and the door lining 5 to form a closed cavity, foaming treatment is carried out on the closed cavity to form a foaming layer tightly attached to the outer door plate 4, the door lining 5 and the door frame body 3. The utility model adopts integral foaming, the strength of the door panel after foaming is higher than that of the traditional door panel, the heat preservation effect of the door panel is also increased, and the damage to the door panel structure due to water inflow can be prevented; meanwhile, the working environment is greatly improved and the potential safety hazard is reduced by adopting the integral foaming technology.
Example 7
A refrigerated container door frame processing technology as in any one of the above embodiments includes the following steps:
placing the outer door panel 4 on a working table frame, setting the joint of the outer door panel 4 and the door frame body 3 as an outer door panel bent part 401, gluing the outer door panel bent part 401, and gluing a gluing position 7 as shown in fig. 2;
embedding the outer door panel bending part 401 into the door frame body 3, extruding the outer door panel bending part 401 and the door frame body 3 to form a uniform adhesive sealing layer, and mounting the door liner 5 to the door frame body 3, so that the door frame body 3 is connected with the outer door panel 4 and the door liner 5 to form a closed cavity;
and foaming the closed cavity to form a foaming layer closely attached to the outer door plate 4, the door liner 5 and the door frame body 3 so as to form the door frame of the refrigerated container.
Certainly, can be further set up outer door plant kink 401 into the right angle structure, corresponding, door frame body 3's the junction that corresponds also sets up to the right angle structure, through the extrusion of right angle structure, can make the sealing compound layer distribute more evenly, and the right angle structure more is favorable to realizing that the is hidden to beat glues simultaneously, has avoided beating because of outer hourglass formula and has glued, seals the ageing possibility that leads to moisture to invade the bubble body of gluing.
Further, the outer door panel 4 and the door lining 5 are installed on the door frame body 3 in an inserting mode.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (12)
1. A refrigerated container door frame is characterized by comprising an outer door plate, a door lining, a door frame body, an inner door seal and an outer door seal, wherein two ends of the door frame body are respectively connected with the outer door plate and the door lining to form a closed cavity;
the door frame body is provided with at least two concave cavities on one side surface opposite to the closed cavity, the inner door seal and the outer door seal respectively extend into the two concave cavities to be matched with the concave cavities, a plurality of bosses are arranged at the bottoms of the concave cavities facing the inner door seal and the outer door seal, and the bottoms of the inner door seal and the outer door seal facing the bottoms of the concave cavities are of arc structures or linear structures;
the inner door seal and the outer door seal extend into the two concave cavities respectively, and sealing is achieved through extrusion matching of the bottom of the inner door seal, the bottom of the outer door seal and the boss at the bottom of the concave cavity.
2. A refrigerated container door frame as claimed in claim 1 wherein the boss provided on the bottom of the cavity is an a-shaped boss.
3. A refrigerated container door frame as claimed in claim 2 wherein the arc of the arcuate configuration is greater than or equal to 150 ° when the inner and outer door seal bottoms towards the bottom of the pocket are arcuate.
4. A door frame of a refrigerated container as recited in claim 1, wherein the recessed cavity has a C-shaped cross section, and both sides of the inner door seal and the outer door seal are provided with a limiting portion, and the inner door seal and the outer door seal are clamped in the recessed cavity by the limiting portions.
5. A refrigerated container door frame as recited in claim 1 wherein the door frame body is a one-piece non-metallic door frame body.
6. A refrigerated container door frame as claimed in claim 1 wherein the door frame body is snap-fitted at each end to the outer door panel and the door lining.
7. A refrigerated container door frame as claimed in claim 6, wherein the outer door panel is provided with an outer door panel bending part at the junction with the door frame body, and the outer door panel bending part is a right-angle structure.
8. A refrigerated container door frame as claimed in claim 7, wherein the door frame body is provided with a resilient arm adjacent to the connection with the outer door panel, the resilient arm and the door frame body form an opening towards the outer door panel, and the bent portion of the outer door panel extends into the opening and is clamped and fixed by the resilient arm and the door frame body.
9. A refrigerated container door frame according to claim 8 wherein the free end of the connection of the resilient arm to the outer door panel is provided with a resilient arm bend, the resilient arm bend being of right angle construction.
10. A refrigerated container door frame according to claim 9 wherein the outer door panel bend and the resilient arm bend are provided with rounded corners at right angles of contact, said rounded corners being provided as glue sites.
11. A door frame for a refrigerated container as recited in claim 1, wherein the door frame body is formed with a closed cavity formed by connecting both ends of the door frame body with the outer door panel and the door lining, respectively, and then the closed cavity is foamed to form a foamed layer closely attached to the outer door panel, the door lining and the door frame body.
12. A reefer container comprising a reefer container door frame according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210408.2U CN211643317U (en) | 2019-12-11 | 2019-12-11 | Refrigerated container door frame and refrigerated container comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210408.2U CN211643317U (en) | 2019-12-11 | 2019-12-11 | Refrigerated container door frame and refrigerated container comprising same |
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| CN211643317U true CN211643317U (en) | 2020-10-09 |
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| CN201922210408.2U Active CN211643317U (en) | 2019-12-11 | 2019-12-11 | Refrigerated container door frame and refrigerated container comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844378A (en) * | 2019-12-11 | 2020-02-28 | 上海寰宇物流科技有限公司 | Refrigerated container door frame, processing technology thereof and refrigerated container comprising same |
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2019
- 2019-12-11 CN CN201922210408.2U patent/CN211643317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844378A (en) * | 2019-12-11 | 2020-02-28 | 上海寰宇物流科技有限公司 | Refrigerated container door frame, processing technology thereof and refrigerated container comprising same |
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